Don't show import success message if the user cancels the import.

chrome/browser/ui/webui/options/import_data_handler.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/webui/options/import_data_handler.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
@@ skipping 81 matching lines @@
 
   const importer::SourceProfile& source_profile =
       importer_list_->GetSourceProfileAt(browser_index);
   uint16 supported_items = source_profile.services_supported;
 
   uint16 import_services = (selected_items & supported_items);
   if (import_services) {
     base::FundamentalValue state(true);
     web_ui_->CallJavascriptFunction("ImportDataOverlay.setImportingState",
                                     state);
+    import_did_succeed_ = false;
 
     // TODO(csilv): Out-of-process import has only been qualified on MacOS X,
     // so we will only use it on that platform since it is required. Remove this
     // conditional logic once oop import is qualified for Linux/Windows.
     // http://crbug.com/22142
 #if defined(OS_MACOSX)
     importer_host_ = new ExternalProcessImporterHost;
 #else
     importer_host_ = new ImporterHost;
 #endif
@@ skipping 36 matching lines @@
 
 void ImportDataHandler::ImportStarted() {
 }
 
 void ImportDataHandler::ImportItemStarted(importer::ImportItem item) {
   // TODO(csilv): show progress detail in the web view.
 }
 
 void ImportDataHandler::ImportItemEnded(importer::ImportItem item) {
   // TODO(csilv): show progress detail in the web view.
+  import_did_succeed_ = true;
 }
 
 void ImportDataHandler::ImportEnded() {
   importer_host_->SetObserver(NULL);
   importer_host_ = NULL;
 
-  web_ui_->CallJavascriptFunction("ImportDataOverlay.confirmSuccess");
+  if (import_did_succeed_) {
+    web_ui_->CallJavascriptFunction("ImportDataOverlay.confirmSuccess");
+  } else {
+    base::FundamentalValue state(false);
+    web_ui_->CallJavascriptFunction("ImportDataOverlay.setImportingState",
+                                    state);
+    web_ui_->CallJavascriptFunction("ImportDataOverlay.dismiss");
+  }
 }